Arc Second Inc. unveiled Constellation3Di

Arc Second Inc.unveiled Constellation3Di. Developed utilizing Arc Second’s proprietary 3D-Intelligence technology, this is the first proven indoor GPS system with the accuracy, reliability and utility to support large scale metrology. Using signals from transmitters that emit infrared light, small receivers can calculate xyz coordinates independently. Therefore, like GPS, the number of receivers in a single workspace is unlimited. (Arc Second, Dulles, Va.)